In many markets, homogenous goods and services are sold both by large global frms and small local frms. Surprisingly, the large frms charge, often substantially, higher prices. Examples include hotels, airlines, and coffee shops. This paper provides a parsimonious model that can account for...

We study how the city system is affected by the possibility for the members of the same cultural diaspora to interact across different cities. In so doing, we propose a simple two- city model with two mobile cultural groups. A localized externality fosters the productivity of individuals when...

India is at the cusp of a major urban transition. In less than twenty years, India's urban population is expected to nearly double from 377 million today to over 600 million. Indian cities already contribute an estimated two-thirds of India's GDP, and this number is expected to rise to 75% by...

Globally as well as in China, cities have contributed to most of the economic output and have accordingly given rise to most CO2 emissions. In particular, given unprecedented urbanization, cities will play an even greater role in shaping energy demand and CO2 emissions. Therefore, cities are the...

Urban areas have particular sensitivities to climate change, and therefore adaptation to a warming planet represents a challenging new issue for urban policy makers in both the developed and developing world. Further to climate mitigation strategies implemented in various cities over the past 20...

This paper deals with a comparison of two governmental initiatives in the direction of immigrants the Mayor's Office of New Bostonians (Boston, 1998) and Conseil de la Citoyenneté des Parisiens Non-Communautaires (Paris, 2001). In both cities, local political leaders justify their politics by...